gentiana clusii

botanic botany clade clusii collection color conservatorie cultivars cure evergreen feathered flora floral floras flower flowered flowering fluffy garden gentian gentiana genus greater grow grows herbaceous herbs inflorescence institute limestone malmedy meadow medicinal medicine natural outdoors perennial petals photo photography phytogeographical phytomedicine pink pistil plant poisonous purple rare relic riverlet rivierenhof rose shaded short spring stamen stamens stemmacantha stemmed stigma stock stream studies taxa taxonomy thee toxic toxin tream vivid white wild